Ecosystem Changes

When a change occurs in an ecosystem, it affects:

• only biotic factors

• only abiotic factors

• both biotic and abiotic factors

• no factors

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

True or False: Change to ecosystems can be short term or long term.

• True

• False

Tags

NGSS.MS-LS2-4

True or False: Change can be caused either by humans or by nature, but never by both.

• True

• False

Tags

NGSS.MS-ESS3-5

NGSS.MS-LS2-4

True or False: Change in ecosystems is always preventable.

• True

• False

Tags

NGSS.MS-LS2-5

True or False: Some ecosystem changes can be both caused by man and caused by nature.

• True

• False

Tags

NGSS.MS-ESS3-4

This photograph was taken after a forest fire. Which statement correctly describes the energy in the ecosystem?

• The energy stored in the organisms is being released by the fire as heat.

• There is not much energy left in the bits of the organisms that haven't completely burnt up in the fire.

• The plants are beginning to change the sun's energy into energy the plant can use.

• Consumers have returned to population numbers similar to before the fire because there is enough energy to support them.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

This photograph was taken after a forest fire. Which statement correctly describes the energy in the ecosystem?

• The energy stored in the organisms is being released by the fire as heat.

• There is not much energy left in the bits of the organisms that haven't completely burnt up in the fire.

• The plants are beginning to change the sun's energy into energy the plant can use.

• Consumers have returned to population numbers similar to before the fire because there is enough energy to support them.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which of these is a manmade change to an ecosystem?

• Forest fire

• Volcanic Eruption

• Earthquakes

• Urban Development

Tags

NGSS.MS-ESS3-4

Which of these is a natural change to an ecosystem?

• Forest fire

• Volcanic Eruption

• Climate Change

• Urban Development

Tags

NGSS.MS-LS2-4

Which of these could be caused by both humans and nature? Select all that apply.

• Forest fire

• Volcanic Eruption

• Climate Change

• Urban Development

Tags

NGSS.MS-ESS3-4